25 Indie · Space Sim games your group can play together online, including Moon Sweepers, Starlathe, and Space Defender: Frontier Squadron.
All games: 24
An entire Moon to clean. One toothbrush to start. Team up with up to 16 players, collect and sell lunar dust, upgrade your tools, and unlock cleaning vehicles. Turn a ridiculous job into a thriving operation, if your friends actually help.
Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it. Play solo or in online co-op.
A top-down space shooter with deep RPG progression. Fly a voiced story in four acts, from a war across three galaxies to the gravity wells of Kepler, lead your wingmen, hunt pirate captains and hold a collapsing front. Solo, or with a friend on the second controller.
Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Space. Ships. Resources. Trading. Production. Combat. Mine ore, haul cargo, and find profitable trade routes. Buy and capture ships, build your fleet, construct stations, and develop your production. Start with your first ship. Build your empire!
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players, or just sit and chat with the friendly community.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game. Explore a dozen new gameplay mechanics through each constellation, one new feature at a time. It's Real-Time Strategy, deconstructed.
Build ships, stations, and factions with friends in StarMade’s online voxel sandbox. Create your own goals across a generated universe, with server-based co-op and PvP.
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
Extremely high skill-ceiling 6dof flight racing in a variety of environments with leaderboards, multiplayer and VR support
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
Crew one ship with 2–11 players, call out changing threats, and run cooperative missions together in Artemis Spaceship Bridge Simulator.
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
Race across the terraformed surface of Mars in your Skimmer, a completely customizable hover racing vehicle. Piloting skill and engineering make the difference between winning and losing in Vector 36, a Physics-Based Racer. Available with and without VR or HOTAS.
Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.